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发明名称
PROCESSES AND APPARATUS FOR THE PRODUCTION OF CONNECTING TUBULURE IN A RELATIVELY THICK WALL
摘要
申请公布号
ZA7901568(B)
申请公布日期
1980.04.30
申请号
ZA19790001568
申请日期
1979.04.03
申请人
CREUSOT LOIRE
发明人
DULAQUAIS P
分类号
B21D;F16L;G21C
主分类号
B21D
代理机构
代理人
主权项
地址
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